Edge may have one of the following special meanings, in addition to its dictionary definition: wiktionary:edge.

• In graph theory, a graph consists of a set of connections between objects. Each object is a vertex. Each connection, between two vertices, forms an edge, or arc.
• Edge (also the Edge) is the nickname of U2 member David Howell Evans.
• Edge is also the stage name of Canadian professional wrestler Adam Copeland.
• EDGE is also an acronym for "Enhanced Data Rates for GSM Evolution". It is a technology that allows wireles devices to connect at data rates up to four times faster than existing GSM and GPRS wireless devices.
• Edge (games magazine) is the name of a multi-format computer and video games magazine published by Future Publishing in the UK.